A mating plug and male mate choice in Drosophila hibisci Bock
Article Abstract:
Research was conducted to gain further insight into the functional importance of mating plugs and their relation to the mating behavior of male Drosophila hibisci. It was hypothesized that the plugs were used for the retention of sperm near the female storage organs and for the prevention of further matings with other males. Results indicate that males experienced restrictions in the number of times they can produce the mating plugs. Findings also suggest that males preferred young virgins over older virgin or nonvirgin females.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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Sexual selection and secondary sexual character in two Drosophila species
Article Abstract:
An analysis of the impact of body size and the presence of various sexual appendages on the mating success of Drosophila simulans and Drosophila pseudoobscura was conducted. The results showed that body size, and the number and symmetry of sternopleural bristles and of sex comb teeth in males of both species does not increase mating success. The results contradict previous suggestions on the correlation between mating success and the presence of sexual appendages and body size.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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The risk of sperm competition and the evolution of sperm heteromorphism
Article Abstract:
A study was conducted to determine whether Drosophila obscura males change their behavior in response to the risk of sperm competition and whether short nonfertilizing sperms serve to delay female receptivity of subsequent matings. Results showed that the risk of sperm competition did not change the tactics of males. Sperm heteromorphism was found to have little impact in influencing the remating behavior of females.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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